What will be output for the given code?

[answerhappygod]

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#include<bits/stdc++.h>
using namespace std;
string encrypter(string keyword)
{
string encoded = "";
bool arr[26] = {0};
for (int i=0; i<keyword.size(); i++)
{
if(keyword >= 'A' && keyword <= 'Z')
{
if (arr[keyword-65] == 0)
{
encoded += keyword;
arr[keyword-65] = 1;
}
}
else if (keyword >= 'a' && keyword <= 'z')
{
if (arr[keyword-97] == 0)
{
encoded += keyword - 32;
alpha[keyword-97] = 1;
}
}
}
for (int i=0; i<26; i++)
{
if(arr[i] == 0)
{
arr[i]=1;
encoded += char(i + 65);
}
}
return encoded;
}
string ciphertxt(string msg, string encoded)
{
string cipher="";
for (int i=0; i<msg.size(); i++)
{
if (msg[i] >='a' && msg[i] <='z')
{
int pos = msg[i] - 97;
cipher += encoded[pos];
}
else if (msg[i] >='A' && msg[i] <='Z')
{
int pos = msg[i] - 65;
cipher += encoded[pos];
}
else
{
cipher += msg[i];
}
}
return cipher;
}
int main()
{
string keyword;
keyword = "cipher";
string encoded = encrypter(keyword);
string message = "hello";
cout << ciphertxt(message,encoded) << endl;
return 0;
}
a) bejjm
b) LFPDAR
c) BEJJM
d) lfpdar